Fig. 5

SEM images of the uncoated CL-20 (a), CL-20/MUF-1 (b), CL-20/MUF-2 (c), and CL-20/MUF-3 (d); corresponding images with low magnification are inserted
SEM images of the uncoated CL-20 (a), CL-20/MUF-1 (b), CL-20/MUF-2 (c), and CL-20/MUF-3 (d); corresponding images with low magnification are inserted